97857075880 has 32 divisors (see below), whose sum is σ = 221148390240. Its totient is φ = 38970391360.

The previous prime is 97857075871. The next prime is 97857075931. The reversal of 97857075880 is 8857075879.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5379526 + ... + 5397685.

It is an arithmetic number, because the mean of its divisors is an integer number (6910887195).

Almost surely, 2^97857075880 is an apocalyptic number.

It is an amenable number.

97857075880 is an abundant number, since it is smaller than the sum of its proper divisors (123291314360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97857075880 is a wasteful number, since it uses less digits than its factorization.

97857075880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10777449 (or 10777445 counting only the distinct ones).

The product of its (nonzero) digits is 39513600, while the sum is 64.

The spelling of 97857075880 in words is "ninety-seven billion, eight hundred fifty-seven million, seventy-five thousand, eight hundred eighty".